That's because they want to study the Universe.
sample is the population we make our study about them.
Counting or measuring instruments in a study or experiment.
musical instruments
People who didn't or couldn't make musical instruments wanted to have them so they bought them from those who made them.
that is a question that has been asked many times and the answer to me is to learn study the life we may not see and make the invisible viableAnswer:There is no need for a purpose to the Universe - it simply is.
That's easy teachers they study study so they can teach you and make you study.
From the simple drums, to fuly strung instruments, to instruments played by blowing into them with only 3 keys, they have elvolved to show us that people can make instruments of different pitches, and in different clefs.
Make sure there are no corrupted people
It depends.
Once we look beyond the solar system, most of what we can learn about the Universe is based on observing stars.Fortunately, stars are profoundly important for our Universe,Not only do they light up the sky, they make life possible and so forth to expand our knowledge to study more about astronomy
The Aztecs made several accomplishments during their time. They helped to begin to development of mathematics, architecture, art, and Astronomy. They were the first to make instruments to study the stars and planets.
Study the art of Mentalism